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Location : ⎝⎛七乐彩⎞⎠ > Physiological signal measurement> Multi-channel physiological recorder
Physiological signal measurement

Multi-channel physiological recorder

来源:本站 作者:玉研仪器 Time: 2016-09-26 Source: Site Author: Jade research instrument

Detailed introduction

iWorx biological signal acquisition and analysis system consists of a data collector, analysis software (LabScribe), and various amplifiers, sensors, lead wires and electrodes. Through different combinations of various hardware, ECG, EEG, electromyography, ophthalmology, invasive blood pressure, non-invasive blood pressure, dP / dt, body temperature, muscle tone, respiratory wave, respiratory flow rate, lung function, tissue Blood flow, vascular blood flow, nerve potential, oxygen content, carbon dioxide content, blood oxygen saturation, cardiac output, pulse volume, electrical stimulation, evoked potential and other parameters were observed and analyzed.

Applicable animals:
Mouse, rat, guinea pig, rabbit, cat, dog, sheep, pig, etc.

typical application
ECG records of animals on the body surface lead I; lead II; lead III, aVL; aVR; aVF; V1 ~ V6
Isolated heart electrocardiogram
Epicardial electrocardiogram record

Blood pressure measurement, left ventricular pressure measurement (such as left ventricular end-diastolic pressure LVEDP), other bioelectricity (EEG, EMG, gastrointestinal electricity, action potential, etc.), tension measurement of isolated tissues or organs, temperature measurement, respiratory measurement


Data Recorders: Used to receive electrical signals collected and transmitted by amplifiers, sensors, electrodes, etc. There are IX-RA-834, IX-400 Series, and IX-BIOx models.

IX-RA-834: iWorx RA data collector is a highly versatile physiological data acquisition system, which includes 4 standard BNC inputs, 4 transducer inputs, 2 event marker inputs, 8 digital signal inputs, 1 low voltage / High-pressure stimulator, 8 digital signal outputs, 1 built-in atmospheric pressure sensor, and 4 iWire ™ input interfaces. With its high resolution, low noise, and high flexibility, iWorx RA is widely used in many research fields, including: cardiac function research, hemodynamic research, isolated tissue and organ research, exercise physiology research, and metabolic research , Neuroscience research, cell clamps and voltage clamps.

IX-400 Series: The iWorx 400 Series data collector is a high-precision economical physiological data acquisition system. It contains 4/8/16 standard BNC interfaces, which can be used in conjunction with a wide range of analog signal amplifiers and sensors. 16-bit digital-to-analog conversion and a maximum acquisition speed of up to 10kHz make it suitable for most scientific research needs.

IX-BIOx: The IX-BIOx is a multi-channel electrophysiological data collector that can simultaneously collect EMG, ECG, EOG and other electrophysiological signals from a single exercise / resting individual. It includes two models: IX-BIO4 and IX-BIO8. You can get up to 8 channels of EMG signals at the same time, or both EMG signals and 2 channels of ECG signals. ECG signals of leads I and II can be analyzed by LabScribe software to obtain ECG signals of leads III, aVL, aVR, and aVF.

LabScribe software (Software): LabScribe is a powerful data acquisition and analysis software. It has an intuitive, user-friendly operation screen for displaying, calibrating, and analyzing data. At a sampling rate of 100,000 / s, it can Simultaneously present 128 channels of data. The software is compatible with Windows and OSX systems, and supports languages such as Dadisp, Python, MatLab, LabView, and C ++. The preset general-purpose data analysis mode makes the data processing process fast and easy. For some research fields, LabScribe also has a dedicated analysis mode with comprehensive functions to meet various experimental needs.



LabScribe analysis software is modular and has the following modules:
LS-30 Data Acquisition and Analysis Software: Data Acquisition and Analysis Software
LS-30BP Blood Pressure Analysis Module: blood pressure analysis module
LS-30ECG ECG Analysis Module: ECG analysis module
LS-30MC Metabolic Calculations Module: Metabolic Analysis Module
LS-30PVL Pressure-Volume Loop Module: PV loop analysis module
LS-30TXT ASCII Text Import Module: Data Conversion Module
LS-20NM Normalization Module: standardized module for microvascular perfusion system
LS-20CM Cardiac Analysis Module: Cardiac Function Analysis Module


Professional ECG analysis software LabScribe

It can automatically mark the P, Q, R, S, T of the ECG, and automatically import the data into the record file to form a data table of professional parameters .



ECG The main parameters of ECG analysis:

ECG ECG analysis
Heart rate
R wave time (Time at R)
R wave interval (RR Interval)
R wave interval change (Delta RR)
PR Interval
P wave duration (P Duration)
QRS Duration
QT Interval
QTc Interval
ST Segment
T wave duration (T Duration)
TP Duration
R wave interval change (Delta RR)
HRV heart rate variability analysis
Low Power
High frequency power
Mean Power at Low Band
Mean Power at High Band


The main hardware of the electrocardiogram (ECG) record analysis module:
Acquisition system: iWorx 300 series, 400 series, 118 acquisition system
(Including LabScribe acquisition and analysis software)
EH256 Multifunctional Amplifier
ECG acquisition electrode



Compared with traditional biological signal recording and analysis system, LabScribe has the following characteristics:
1. Faster data loading and processing capabilities, which is especially important for saving and processing large data files, such as telemetry research;
2. Comfortable graphics and function icon interface give users a more intuitive experience;
3. New toolbar and shortcut keys provide quick access to sequences and views;
4. More display editing options make the presentation of various data components more flexible;
5. More flexible management of experimental data, tables, charts, etc. in the experimental log;
6. Can remove the need to wait for the channel strip on the display interface, thereby increasing the viewable area such as signals;
7. After the analysis is completed, the ability to analyze and report can be enhanced by entering relevant text / comments in the markup dialog box;
8. Experiment builder function: record experimental physiological data, etc., display images, play sounds and movies, etc.


The main application areas also include:

Hemodynamics
2. ECG / EMG Systems: ECG, EMG and other electrophysiological signal measurement systems
3. Perfusion of isolated organs (Langendorff and working heart)
4. Small animal telemetry system
5.Microcirculatory blood flow measurement (laser Doppler)
6. Metabolism research (exercise physiology, cardiopulmonary function measurement)
7. Intracardiac Electrophysiology: intracardiac electrophysiology system
8.Blood Flow Systems
9. Psychology
10. Determination of blood oxygen saturation in conscious animals

11. Measurement of non-invasive blood pressure and cardiac output of the human body


Multiple biological signal amplifiers:


You can choose the appropriate amplifier and corresponding transducer to complete the measurement of the following physiological signals: ECG, EEG, EMG, OG, Gastrointestinal, Evoked Potential, Nerve Potential, Cell Potential, Invasive Blood Pressure , Non-invasive blood pressure, dP / dt, body temperature, muscle tone, respiratory wave, respiratory flow rate, tissue blood flow velocity, vascular blood flow, oxygen content, carbon dioxide content, blood oxygen saturation, non-invasive cardiac output, photoelectric pulse volume, skin resistance , Electrical stimulation, etc.


Since its establishment, iWorx has been committed to making educators and researchers Make Physiology Happen, using this instrument can get very intuitive and reliable experimental results. iWorx Data Aquisition & Analysis System has been recognized by many international scholars for its sophisticated detection hardware and powerful analysis software. After years of development, it has become one of the most cost-effective physiological signal acquisition and analysis instruments in the world.


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